"Worried about her 2-year-old son and distrustful of government and TV reports that seemed to play down radiation risks, she scoured the Web for information and started connecting with other mothers through Twitter and Facebook, many using social media for the first time."

"The 41-year-old mother joined a parents group — one of dozens that have sprung up since the crisis — that petitioned local officials in June to test lunches at schools and day care centers for radiation and avoid using products from around the troubled nuclear plant.

"The chairman of the Nuclear Regulatory Commission, whose four fellow commissioners complained about him to the White House, saying that he had been withholding information from them and wielding too much power, drew a spirited defense on Wednesday from a predecessor at the agency."

"MONTREAL -- Weapons-grade uranium is quietly being transported within Canada, and into the United States, in shipments the country's nuclear watchdog wants to keep cloaked in secrecy."

"When it comes to coal mining in the United States, environmentalists have a simple goal: End it. For the Obama administration, it's a little more complicated. Since taking office nearly three years ago, the administration has restricted coal-mining waste from being dumped into streams and imposed new pollution controls on coal-fired power plants. But on the fundamental question of whether the government should halt federal leasing, the administration's answer has been: not yet."